1Multifunctional: This gas leak tester is multifunctional and can be used to detect alcohol, ammonia, benzene, gasoline, hydrogen, naphtha, gas, paint thinner, carbon oxides, CH4, C2H4O, C2H5OH, C2H4, C2H2, C3H4, C4H6, H2S, and PH3. 211.8 Inch Flexible Gooseneck: This gas leak detector features an 11.8 inch flexible gooseneck that allows you to easily access hard to reach areas with great convenience. 3Excellent ABS Material: This portable gas tester is made of excellent ABS material, which is sturdy and wear resistant, not easy to be damaged and has a long service life. 4Compact And Portable: This portable gas detector is small in size and light in weight, which makes it very convenient to carry around and use. 5Wide Application: This gas monitor meter has a wide range of applications and can be used for kitchen leak detection, factory leak detection, medical equipment, abandoned factories. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.